#37599A#37599A

#37599A is a mid, moderate blue. Relative luminance 0.103; OKLCH L 47.2% C 0.113 H 262.1°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#37599A
RGB	rgb(55, 89, 154)
HSL	hsl(219, 47%, 41%)
HSV	hsv(219, 64%, 60%)
CMYK	cmyk(64.3%, 42.2%, 0%, 39.6%)
CIE-LAB	lab(38.36, 9.21, -39.22)
CIE-LCH	lch(38.36, 40.28, 283.22°)
OKLab	oklab(47.15% -0.0154 -0.1117)
OKLCH	oklch(47.15% 0.113 262.1)
XYZ	xyz(10.9786, 10.2891, 31.9730)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#37599A #9A7837

analogous

#378A9A #37599A #46379A

triadic

#37599A #9A3759 #599A37

tetradic

#37599A #9A378A #9A7837 #379A46

square

#37599A #9A378A #9A7837 #379A46

split-complementary

#37599A #9A4637 #8A9A37

monochromatic

#172540 #273F6D #37599A #4E75C0 #7B98D0

Accessibility & contrast

On white

6.87

#37599A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#37599A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #37599A

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##37599A	#FFFFFF	#000000	##FFFFFF
##37599A	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3C5F9D

Deuteranopia (green-blind)

#2D5699

Tritanopia (blue-blind)

#006872

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #37599a;
/* rgb */ color: rgb(55, 89, 154);
/* oklch */ color: oklch(47.2% 0.113 262.1);

Tailwind

colors: {
  custom: {
    50: '#7887b8',
    500: '#37599a',
    950: '#000000',
  },
}

SCSS

$custom: #37599a;
$custom-light: #7887b8;
$custom-dark: #000000;

JSON

{
  "hex": "#37599a",
  "rgb": {
    "r": 55,
    "g": 89,
    "b": 154
  },
  "hsl": {
    "h": 219.394,
    "s": 47.368,
    "l": 40.98
  },
  "oklch": {
    "l": 0.47154,
    "c": 0.11276,
    "h": 262.1
  },
  "luminance": 0.1029
}

Semantic roles & 50–950 ramp

primary

#37599A

secondary

#B9A174

accent

#A951D7

background

#F7F8FB

surface

#EEEFF6

border

#C9CAD0

text

#0A0B11

muted

#7C7C80

Preview Lab

Preview with #37599A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →